A Revenue Class exhibit comprises embossed, imprinted or adhesive tax, fee or credit stamps issued by or under the aegis of a Government Authority.
The General Rules shall apply.
The marking will be as follows:
| Treatment | 20 |
| Philatelic Importance | 5 |
| Philatelic and Related Knowledge, Personal Study and Research | 35 |
| Condition | 15 |
| Rarity | 10 |
| Presentation | 15 |
| Total | 100 |